/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.model.actor.stat;

import net.sf.l2j.gameserver.model.actor.instance.L2PlayableInstance;
import net.sf.l2j.gameserver.model.base.Experience;

public class PlayableStat extends CharStat {
	// =========================================================
	// Data Field
	// =========================================================
	// Constructor
	public PlayableStat(L2PlayableInstance activeChar) {
		super(activeChar);
	}

	// =========================================================
	// Method - Public
	public boolean addExp(long value) {
		if (getExp() + value < 0
				|| getExp() == getExpForLevel(Experience.MAX_LEVEL) - 1)
			return true;
		if (getExp() + value >= getExpForLevel(Experience.MAX_LEVEL))
			value = getExpForLevel(Experience.MAX_LEVEL) - 1 - getExp();
		setExp(getExp() + value);
		byte level = 0;
		for (level = 1; level <= Experience.MAX_LEVEL; level++) {
			if (getExp() >= getExpForLevel(level))
				continue;
			level--;
			break;
		}
		if (level != getLevel())
			addLevel((byte) (level - getLevel()));
		return true;
	}

	public boolean removeExp(long value) {
		if (getExp() - value < 0)
			value = getExp() - 1;
		setExp(getExp() - value);
		byte level = 0;
		for (level = 1; level <= Experience.MAX_LEVEL; level++) {
			if (getExp() >= getExpForLevel(level))
				continue;
			level--;
			break;
		}
		if (level != getLevel())
			addLevel((byte) (level - getLevel()));
		return true;
	}

	public boolean addExpAndSp(long addToExp, int addToSp) {
		boolean expAdded = false;
		boolean spAdded = false;
		if (addToExp >= 0)
			expAdded = addExp(addToExp);
		if (addToSp >= 0)
			spAdded = addSp(addToSp);
		return expAdded || spAdded;
	}

	public boolean removeExpAndSp(long removeExp, int removeSp) {
		boolean expRemoved = false;
		boolean spRemoved = false;
		if (removeExp > 0)
			expRemoved = removeExp(removeExp);
		if (removeSp > 0)
			spRemoved = removeSp(removeSp);
		return expRemoved || spRemoved;
	}

	public boolean addLevel(byte value) {
		if (getLevel() + value > Experience.MAX_LEVEL - 1)
			if (getLevel() < Experience.MAX_LEVEL - 1)
				value = (byte) (Experience.MAX_LEVEL - 1 - getLevel());
			else
				return false;
		boolean levelIncreased = getLevel() + value > getLevel();
		value += getLevel();
		setLevel(value);
		// Sync up exp with current level
		if (getExp() >= getExpForLevel(getLevel() + 1)
				|| getExpForLevel(getLevel()) > getExp())
			setExp(getExpForLevel(getLevel()));
		if (!levelIncreased)
			return false;
		getActiveChar().getStatus().setCurrentHp(
				getActiveChar().getStat().getMaxHp());
		getActiveChar().getStatus().setCurrentMp(
				getActiveChar().getStat().getMaxMp());
		return true;
	}

	public boolean addSp(int value) {
		if (value < 0) {
			System.out.println("wrong usage");
			return false;
		}
		int currentSp = getSp();
		if (currentSp == Integer.MAX_VALUE)
			return false;
		if (currentSp > Integer.MAX_VALUE - value)
			value = Integer.MAX_VALUE - currentSp;
		setSp(currentSp + value);
		return true;
	}

	public boolean removeSp(int value) {
		int currentSp = getSp();
		if (currentSp < value)
			value = currentSp;
		setSp(getSp() - value);
		return true;
	}

	public long getExpForLevel(int level) {
		return level;
	}

	// =========================================================
	// Method - Private
	// =========================================================
	// Property - Public
	@Override
	public L2PlayableInstance getActiveChar() {
		return (L2PlayableInstance) super.getActiveChar();
	}
}
